CN103119330A - Blade tensioner and bracket for blade tensioner including pocket pivot feature - Google Patents
Blade tensioner and bracket for blade tensioner including pocket pivot feature Download PDFInfo
- Publication number
- CN103119330A CN103119330A CN2011800418159A CN201180041815A CN103119330A CN 103119330 A CN103119330 A CN 103119330A CN 2011800418159 A CN2011800418159 A CN 2011800418159A CN 201180041815 A CN201180041815 A CN 201180041815A CN 103119330 A CN103119330 A CN 103119330A
- Authority
- CN
- China
- Prior art keywords
- pivot
- bag
- support
- cylinder
- shape part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009434 installation Methods 0.000 claims description 15
- 229920000642 polymer Polymers 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 5
- 235000011613 Pinus brutia Nutrition 0.000 description 5
- 241000018646 Pinus brutia Species 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 210000000689 upper leg Anatomy 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000002952 polymeric resin Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000004067 bulking agent Substances 0.000 description 3
- 230000009514 concussion Effects 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 240000006829 Ficus sundaica Species 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0802—Actuators for final output members
- F16H2007/0804—Leaf springs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0863—Finally actuated members, e.g. constructional details thereof
- F16H2007/0872—Sliding members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0889—Path of movement of the finally actuated member
- F16H2007/0897—External to internal direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
Abstract
A blade- type chain tensioner (T) includes a bracket (K) that includes a main wall (MW), a ramp (R) projecting from the main wall, and a pivot pocket (P) including an internal concave pivot surface (PS). A tensioner blade assembly is operatively connected to the bracket (K). The tensioner blade assembly includes a polymeric shoe (S) and a spring (G) connected to the shoe. The shoe includes a free end supported on the ramp, a pivot end (S1) engaged with the pivot pocket, and a central body that extends between the free end and the pivot end (S1). The pivot end of the shoe includes a pivot barrel (S4) including an external convex pivot surface. The pivot barrel (S4) is engaged with the pivot pocket and the external pivot surface of the pivot barrel is slidably abutted with the internal pivot surface of the pivot pocket such that the pivot barrel (S4) is reciprocally angularly movable in the pivot pocket (P).
Description
The cross reference of related application
The application advocates the preference of the U.S. Provisional Application sequence number 61/378,306 that on August 30th, 2010 applied for and the rights and interests of date of application, and the full content of this provisional application is incorporated into this as a reference.
Background technique
The application generally relates to the automotive chain actuation techniques, and the chain tensioning device equipment of the mechanical blade type that relates more specifically to use in confined space, with tension force be applied to through chain.The chain tensioning device of such vane type comprises chain engagement blade or shoe-shaped parts (shoe member), usually molded by polymer resin or " plastics " material, metal spring wherein is installed to provide the automobile shoe-shaped sub-component with necessary hardness and damping characteristic to utilize simultaneously flexibility, low-frictional force and the high wear-resisting property of plastics shoe shape part.
Fig. 1 shows the tension device T ' of known vane type, comprises usually the support K ' that is formed by metallic stamping pieces and operationally is fixed to tension device blade assembly BAS ' on lid support.As shown in Figure 1B, support K ' is fixed to relevant cluster engine EB, and as the part of chain drive system, it is used for the rotational position of one or more camshaft sprocket CMS rotational position phasing or " regularly " about crankshaft sprocket CKS.One or more bolts or other fastening pieces BT ' extend through the pilot hole KA ' in the main wall MW ' of support K ', and are screwed into cluster engine EB or other relevant supporting structures so that support K ' is fixed to its operating position.Chain 15 for example roller/bushing chain or pawl chain engages with crankshaft sprocket CKS and camshaft sprocket CMS, and with camshaft sprocket CMS phasing/be timed to crankshaft sprocket CKS.Crankshaft sprocket CKS is at the DIR direction rotation, and chain 15 comprises tight thigh section 16 and pine thigh section 17.
Shown known tension device T ' comprises optional First T1 ', and it comprises fixing guide lug XF ', its main wall MW ' from support K ' laterally projecting and with the fixedly chain of being made by polymeric resin material lead FG ' engage and support should be fixedly chain lead.As shown in Figure 1B, this fixedly chain lead FG ' and comprise guide surface with tight burst 16 slip joint of chain, and support/tight strand 16 of guiding.
Tension device T ' also comprises second T2 ', comprises blade assembly BAS '.As the part of second T2 ' of tension device, support K ' comprises cold forged steel or other pins N ', and it is outwards vertical outstanding from main wall MW ', and welds or otherwise be fastened on main wall MW '.Figure 1A is (the support K ' that does not show blade assembly the BAS ') sectional view along the line 1A-1A of Fig. 1, shows by resistance welding or other welding NW ' and is fastened to pivot pin N ' on the main wall MW ' of support.As the part of second T2 ' of tension device, support K ' also comprises supporting lip TF ', and it is outwards outstanding from main wall MW '.The end of supporting lip TF ' forms or limits slope R ', and outer wall OW ' is from the outer end horizontal expansion of slope R ' and extend in parallel with main wall MW ', makes between main wall MW ', outer wall OW ' and slope R ' restriction channel C H ' (Figure 1A).
Known tension device blade assembly BAS ' may be operably coupled to support K ', and comprises polymerization or " plastics " shoe shape part S ' and be connected to releasedly the metal spring G ' of shoe shape part S '.First or the pivot pin end S1 ' of blade assembly BAS ' comprises projection or cylinder S4 ', and it comprises the pivot hole SB ' that receives slidably pivot pin N '.Relative second or the free end S2 ' of blade assembly BAS ' are arranged in channel C H ' and are supported on the R ' of slope.Maintenance pin RP ' shown in Figure 1 is used for transportation and only free end S2 ' is fixed to slope R ', and is removed for the operation of blade assembly BAS ' as shown in Figure 1B and 1C.Support K ' remains appropriate position about the plane of link with blade assembly BAS ', simultaneously in response to the change of the tension force of the pine of chain 15 strands 17 and position and by the response concussion motion of the pine shown in arrow " AMPL " strands 17, allow the second free end S2 ' to come and go translational motion along the relevant slip that comes and goes angle at slope R ' as shown in arrow " TRANS " (translation), perhaps blade assembly BAS ' is pivot pin end S1 ' rotatablely moving as shown in arrow " ROTATE " (rotation).Fig. 1 C is the partial view of tension device T ', and the imaginary line of the solid line of first (arc) position of use bracket component BAS ' and second (compression) position of bracket component BAS ' shows the operational movement of blade assembly BAS '.
Pivot pin N ' can be substituted by fastening piece that shoulder bolt and any other are fit to, its extend through shoe shape part pivot hole SB ' and by support master wall MW ' and be screwed into cluster engine EB or supporting structure that other are relevant with the pivot pin end S1 ' that the allows shoe shape part S ' rotation with respect to support K '.In any situation, no matter tension device T ' comprises pivot pin N ' or shoulder bolt, under certain engine conditions, packaging environment is limited, make the stamped steel support with enough structural integrities can not be encapsulated into available space, perhaps stamped steel support K ' sometimes due to required fixing/assembling point position or due to other encapsulation or relevant former of design thereby be out of favour.Thus, can see that expectation provides alternative tension device and tension device supporting structure.
Summary of the invention
According to an aspect of the present invention, the chain tensioning device of vane type comprises: support, support comprise main wall, from the outstanding slope of described main wall and the pivot bag that comprises inner recessed pivot surface.The tension device blade assembly may be operably coupled to described support.Described tension device blade assembly comprises the shoe shape part of polymer and is connected to the spring of shoe shape part.Described shoe shape part comprise support on the slope free end, the pivot pin end that engages with the pivot bag and the center main of extending between described free end and described pivot pin end.The described pivot pin end of described shoe shape part comprises the pivot cylinder, and the pivot cylinder comprises outside protruding pivot surface.Described pivot cylinder engages with the pivot bag and the described outside pivot surface of described pivot cylinder and the described inner pivot surface slip adjacency of described pivot bag, makes described pivot cylinder can come and go angular motion in described pivot bag.
According to another embodiment of the invention, the vane type chain tensioning device comprises support, and support comprises slope and pivot bag, and described pivot bag comprises recessed pivot surface.Blade assembly may be operably coupled to described support.Described blade assembly comprises polymer shoe-shaped part, and this shoe shape part comprises first end, the second end and the central body of extending between first end and the second end.Described blade assembly also comprises metal spring, and described metal spring comprises the first end of the described first end that is connected to described polymer shoe-shaped part and is connected to the second end of described second end of described polymer shoe-shaped part.The described first end of described shoe shape part comprises the pivot cylinder, and described pivot cylinder comprises protruding pivot surface.Described pivot cylinder engages with described pivot bag, and the described recessed pivot surface that makes the described protruding pivot surface of described pivot cylinder and described pivot bag is adjacency slidably, thereby allows described pivot cylinder to come and go angular motion in described pivot bag.Described second end of described shoe shape part is supported on described slope, is used for coming and going translational motion on described slope.The described recessed pivot surface of described pivot bag comprises the zone that extends beyond 180 degree around the outer dia of the protruding pivot surface of described pivot cylinder, thereby catches described pivot cylinder in described pivot bag.
According to another example, a kind of chain tensioning device equipment comprises support, and support comprises: (i) pivot bag comprises the recessed pivot surface that is limited by the cylindrical arc surface section of extending around the central shaft circumference; And (ii) support the slope.Blade assembly is fixed to support, and described blade assembly comprises shoe shape part and the spring that is connected to shoe shape part.Described shoe shape part comprises pivot pin end, and described pivot pin end comprises protruding pivot surface.Described pivot pin end engages with the pivot bag, makes the recessed pivot surface adjacency of protruding pivot surface and pivot bag.Described shoe shape part also comprises free end, and there are the gap in itself and pivot pin end and are supported on and support on the slope.
According to another aspect of the present invention, a kind of method for assembling chain tensioning device equipment comprises: by along the central shaft of pivot pin end, the pivot cylinder of tension device blade assembly axially being slipped into the pivot bag, make the outer pivot surface of pivot cylinder and the interior pivot surface of pivot bag slide over each other in abutting connection with and arrange around described spigot shaft coaxle, operationally the tension device blade assembly is connected to support, wherein, the outer pivot surface of pivot cylinder comprises that dome cylindricality segmental arc is surperficial, and the interior pivot surface of pivot bag comprises that fluted column shape segmental arc is surperficial.Then move to the support ramp portion of described support with the free end with the tension device blade assembly around the described tension device blade assembly of described central shaft pivotable and contact.
Description of drawings
Fig. 1 shows the known vane type tension device equipment that comprises support and be fixed to the tension device blade assembly on support;
Figure 1A is along the sectional view of the line 1A-1A of Fig. 1 (showing the support with blade assembly);
Figure 1B shows the known tension device equipment that operationally is fixed to as the correlation engine group of the part of chain drive system;
Fig. 1 C is the partial view of known tension device, and the imaginary line of the solid line of first (arc) state of its use bracket component and second (compression) state of bracket component shows the operational movement of blade assembly;
Fig. 2 A shows according to the front axle of the tension device of example embodiment of the present invention and surveys view;
Fig. 2 B provides the rear isometric view of the tension device of Fig. 2 A;
Fig. 3 shows the front elevation of the tension device of Fig. 2 A;
Fig. 3 A shows along the side view of the tension device of the arrow 3A of Fig. 3;
Fig. 4 A and 4B show respectively the part of the holder part of the tension device shown in Fig. 2 A and amplify front and axle survey view;
Fig. 4 C is that the blade assembly axle partly of the tension device of Fig. 2 A is surveyed view;
Fig. 5 is the front elevation that is similar to the tension device of Fig. 3, but shows the rack-mount blade assembly of part;
Fig. 6 A and 6B are similar to Fig. 4 A, but the partial view of blade assembly at its mounting point and its operating position is provided respectively;
Fig. 7 is the rear view of the amplification corresponding with the front elevation of Fig. 6 B.
Embodiment
According to an aspect of the present invention, the chain tensioning device of vane type comprises the new support that forms by with polymer or other polymerizations or composite material injection molding, makes support comprise that bag pivot feature is to allow support and to be connected to relative rotation between the pivot pin end of tension device blade assembly of support.Bag pivot feature comprises bayonet catch, and its pivot pin end with the tension device blade assembly captures support.Glass fibre bulking agent or other filler materials well known in the art add in the substrate polymer resin that forms support (for example nylon or other resins) usually, are used for the intensity of improving of support.Exemplary bracket with respect to known polymer support and for example in conjunction with Fig. 1-1C as described above the known known brackets K ' that forms from stamped steel have advantage.
More specifically, Fig. 2 A shows according to the front axle of the tension device T of assembling of the present invention and surveys view, and Fig. 2 B shows the rear isometric view of tension device T.Fig. 3 shows the front elevation of tension device T, and Fig. 3 A shows along the side view of the tension device T of the arrow 3A in Fig. 3.Fig. 2 A shows for transportation and processing intent and is connected to the removable pin RP of tension device T temporarily.Removable pin RP is removed for the operation of tension device T and uses.
Tension device T comprises the support K that the polymerization that is fit to by nylon or other or " plastics " material form, and generally includes the glass fibre bulking agent or other bulking agents that add to wherein.In example embodiment, support K is the monolithic structure that forms by injection molding or other technique.Support K comprises main wall MW.Tension device T comprises the optional First of the first end that is connected to main wall MW or fixing guide portion T1, and second one or tensioned portion T2 being connected to the second end of main wall MW.
First T1 comprises fixing guiding flange XF, its from main wall MW laterally projecting and be also by the fixedly chain that polymeric resin material is made lead FG engage and support should be fixedly chain lead FG.Fixedly chain is led FG and is comprised guide surface, and tight strand 16 of itself and chain 15 is sliding engaged to and a stretching thigh 16, as top in conjunction with as described in the tension device T ' as shown in Figure 1B.
Second T2 of tension device T comprises supporting lip or supporting frame, and it is outwards outstanding from main wall MW.Also with reference to figure 3A, the outer end of supporting frame TF forms or defines slope R, and outer wall OW is parallel to main wall MW horizontal expansion from the outer end of slope R, makes and limit channel C H between main wall MW, outer wall OW and slope R.In an illustrated embodiment, by being connected to main wall MW and stretching out or the surface of the support block KB part of outstanding support K provides support frame TF from main wall MW.
Tension device blade assembly BAS according to the present invention may be operably coupled to support K as the part of the second tension device part T2.Tension device blade assembly BAS comprises polymer blades or " shoe shape part " S and the metal spring G that is connected to shoe shape part S.Shoe shape part S is that polymer architecture and the spring G of monolithic molding is single-piece spring steel parts or similar leaf spring structure.Shoe shape part S comprises pivot pin end S1 and free end S2, and it defines each groove SL1, SL2(Fig. 5) be used for receiving respectively and the opposite end of keep-spring G.Shoe shape part S comprises center main S3, and it extends and connection pivot pin end and free end along the chain stroke shaft between pivot pin end and free end S1, S2.The upper surface of center main S3 or outer surface OS provide the chain contact surperficial, are used for by the chain slip joint of bearing tension force.Center main S3 comprises lower surface or the internal surface that is positioned at outer surface OS opposite side, by the arc middle body contact of spring G.The free end S2 of shoe shape part S is positioned at channel C H and at slope R upper support (referring to Fig. 3 A).
With with as above to the part of the same way as installation tensioner equipment T shown in the described and Figure 1B of known tension device equipment T ' as timing of engine chain drive system.One or more bolt B T make tight strand 16 of chain 15 by fixing guide surface FG guiding, and the pine thigh 17 of chain 15 apply tension force by blade assembly BAS for support K being fixed to other related support structure of relevant cluster engine or Figure 1B.As known tension device T ' and blade assembly BAS ' thereof, the chain pine thigh 17 that slides on the outer surface OS of blade assembly BAS will make the center main S3 of shoe shape part flatten in the concussion mode and be crooked, the free end S2 that makes shoe shape part after the R of slope-front slidably reciprocating, the pivot pin end S1 of shoe shape part rotates or pivotable by reciprocal angular motion on the first and second angular direction with respect to support K simultaneously.
Unlike known support K ', support K does not need the next pivot pin end S1 with respect to support K rotary support shoe shape part S of pivot pin N.On the contrary, the pivot pin end S1 of shoe shape part S is fixed to support K pivotally in the pivot bag P of support K, thereby can carry out the required concussion angle rotation/pivotable of the hub switch side S1 of shoe shape part S.Fig. 4 A and 4B provide the part zoomed-in view of pivotable K in the zone of pivot bag P.Pivot bag P comprises recessed pivot surface PS, and it comprises or limit by cylindrical segmental arc is surperficial, that is, extends the barrel surfaces of spending less than 360 around arc central shaft X.Pivot bag P comprises thus or limits the width that limits between the first relative circumferential end of pivot surface PS and the second circumferential end PS1, PS2 and is the opening PM of " d ", on certain point on pivot surface PS, wherein width " d " is minimized, that is, width " d " is the minimum width opening that limits at relative circumferential end PS1, the PS2 of the pivot surface PS of the ovalest all extended spots of pivot surface.Pivot bag P is limited in support block KB, along chain stroke shaft and slope R distance is arranged but the position of aliging by or close on supporting frame TF.In an illustrated embodiment, support block KB comprises depression KR holding a fastener bolt BT, and depression KR crosscut supporting frame TF and with its second portion that is divided into the first portion that comprises slope R and wherein limits pivot bag P or close on pivot bag P.Recessed pivot surface PS refers to inner pivot surface sometimes.
With reference to figure 4C, wherein show separately blade assembly BAS, the pivot pin end S1 of shoe shape part S correspondingly comprises pivot wheel hub or pivot cylinder S4, comprises that circumference extends the protruding external cylindrical segmental arc pivot surface S5 less than 360 degree.Externally in the main region S5a of pivot surface S5, outside pivot surface S5 continues to extend to rear edge S4r from the front edge S4f of pivot cylinder S4 basically.In secondary regions S5b, outside pivot surface S5 is divided into front and rear S5f, S5r(referring to Fig. 2 B by external reinforcing rib SR), external reinforcing rib SR outwards gives prominence to from pivot cylinder S4 in the front edge of pivot cylinder, the centre of rear edge S4f, S4r usually in the zone that middle body S3 engages with pivot cylinder S4.Edge before and after front and rear S5f, the S5r of outside pivot surface extends to respectively from the external reinforcing rib.
As shown in Figure 6A, at the relative position restriction outer dia D of any two diameters of described outside pivot surface S5.The inside pivot surface PS adaptation of pivot bag P and adjusting size are with the outside pivot surface S5 corresponding to pivot cylinder S4, make the outer dia D that is limited by pivot surface S5 closely be fitted in pivot bag P, wherein the outside protruding pivot surface S5 of cylinder S4 with the recessed pivot surface PS in the inside of pivot bag P around bag central shaft X coaxial arrangement and slide over each other and engage or the slip adjacency.Thus, pivot cylinder S4 with respect to support K around central shaft X in the first and second directions with the rotation of reciprocating manner angle or pivotable.As described here, term " rotation " does not mean that 360 degree rotations.On the contrary, term " rotation " means the angular motion along segmental arc, and this angular motion will be less than 360 degree.
Preferably, limit pivot bag P and make opening PM(Fig. 4 A) width " d " less than pivot cylinder outer diameter D, because pivot surface PS extends beyond 180 degree from its first end PS1 to the second end PS2 in its largest circumference length.In this case, slip into pivot bag P and pivot cylinder S4 is installed in pivot bag P along the pivotal axis X axis by pivot cylinder S4.Pivot cylinder S4 and support K are chain and can not move on the horizontal any direction of pivotal axis X, but pivot cylinder S4 can be around pivotal axis X with the corresponding support K of reciprocating manner pivotable.Because there is the external reinforcing rib SR that outwards gives prominence to from pivot cylinder S4, the part of the second end PS2 of inner recessed pivot surface PS is released or removes to limit installation notch IN(Fig. 4 B), this installation notch IN comprises installation slope IR, when the installation process maincenter beam barrel S4 of pivot cylinder S4 entered pivot bag P along the pivotal axis X-motion, installation slope IR provided the space for the external rib SR of shoe shape part S.The remainder of the second end PS2 of pivot surface PS defines bayonet catch, and its corresponding installation slope IR is outwards outstanding.Adjusted the making when pivot cylinder S4 is axially inserted pivot bag P of size of slope IR is installed, and when pivot cylinder S4 fully axially was fit into pivot bag P, external rib SR will be in abutting connection with bayonet catch LT.
Fig. 5 and 6A show the tension device blade assembly BAS that is orientated in pivot bag P required mounting point for pivot cylinder S4 is axially inserted.For the free end S2 of shoe shape part S when pivot cylinder S4 axially inserts pivot bag P moves through or " removing " external channel outer wall OW, the mounting point shown in needing, the free end S2 of shoe shape part and the outer wall OW of channel C H are gapped.At this installed position, external rib S5 is parallel with " installation " slope IR or contiguous, makes installation slope IR provide the reference position to be used for its installation for the position, correct angle of tension device blade assembly BAS.When blade pivot beam barrel S4 entered pivot bag P along the complete axial advancement of pivotal axis X, external rib SR was positioned at bayonet catch LT vicinity and/or adjacency thus, and the free end S2 of shoe shape part S will be positioned at vicinity and/or the adjacency of the main wall MW of support B.Then pivot cylinder S is completely contained in pivot bag P and is fixed to wherein.Then, shoe shape part S at the direction rotation of free end S2 along the arrow DN in figure, until its contact support ramped surfaces R and any opening O2 that is inserted through the opening O1 that limits and the alignment that limits in outer wall OW in the free end S2 of shoe shape part of removable pin RP, thereby blade assembly BAS is fixed for provisionally transportation and is installed to subsequently engine.As mentioned above, for the use of tension device T, remove after a while pin RP.Pivot bag P comprises the importing inclined-plane E1 contiguous with its front edge alternatively, thereby helps the slip of shoe shape part pivot cylinder S4 to insert.
Fig. 6 B and Fig. 7 show the tension device blade assembly BAS in operating position place's installation of support K.As seen, when tension device blade assembly BAS was arranged in its operating position, the recessed pivot surface PS in inside that at least a portion of the external reinforcing rib SR of shoe shape part S extends beyond pivot bag P entered installation notch IN and contiguous with bayonet catch LT in Fig. 6 B.Thus, notch IN is installed and provides the space for external reinforcing rib SR.
With reference to preferred embodiment, the present invention has been described.Those of ordinary skills can modify and be out of shape the present invention, and the present invention is intended to the modification and the distortion that comprise that all are such.
Claims (17)
1. vane type chain tensioning device comprises:
Support comprises main wall, from the outstanding slope of described main wall and the pivot bag that comprises inner recessed pivot surface;
The tension device blade assembly, may be operably coupled to described support, described tension device blade assembly comprises the shoe shape part and the spring that is connected to shoe shape part of polymer, and described shoe shape part comprises the free end that is supported on described slope, the pivot pin end that engages with described pivot bag and the center main of extending between described free end and described pivot pin end;
The described pivot pin end of described shoe shape part comprises the pivot cylinder, the pivot cylinder comprises outside protruding pivot surface, wherein said pivot cylinder engages with described pivot bag and the described outside pivot surface of described pivot cylinder and the described inner pivot surface slip adjacency of described pivot bag, makes described pivot cylinder can come and go angular motion in described pivot bag.
2. vane type chain tensioning device according to claim 1, wherein, the described inner pivot surface of described pivot bag and the described outside pivot surface of described pivot cylinder comprise cylindrical segmental arc surface separately.
3. vane type chain tensioning device according to claim 2, wherein, the described inner pivot surface of described pivot bag is defined around central shaft, and the described outside pivot surface of the described inner pivot surface of wherein said pivot bag and described pivot cylinder is arranged around spigot shaft coaxle ground.
4. vane type chain tensioning device according to claim 1, wherein, the described inner pivot surface of described pivot bag extends the largest circumference scope less than 360 degree between the first and second opposite ends of described inner pivot surface, make the opening that limits width " d " between described first and second opposite ends of described inner pivot surface.
5. vane type chain tensioning device according to claim 4, wherein, the described outside pivot surface of described shoe shape part comprises outer dia " D ", and the described width " d " of wherein said opening is less than the described outer dia " D " of described outside pivot surface.
6. vane type chain tensioning device according to claim 5, wherein, the part of the second end of the described inner pivot surface of described pivot bag is removed to limit the installation notch.
7. vane type chain tensioning device according to claim 6, wherein, the described pivot pin end of described shoe shape part also comprises the external reinforcing rib, and it is outwards outstanding from described pivot cylinder, and at least a portion of wherein said external reinforcing rib is arranged in described installation notch.
8. vane type chain tensioning device according to claim 7, wherein, described installation notch comprise the slope is installed and from described installation slope outside outstanding bayonet catch, and wherein said external reinforcing rib is positioned at contiguous described bayonet catch.
9. vane type chain tensioning device according to claim 7, wherein, the protruding pivot surface in described outside comprises:
Main region, the protruding pivot surface in wherein said outside extends to the rear edge of described pivot cylinder continuously from the front edge of described pivot cylinder basically; And
Secondary regions, wherein said external reinforcing rib is divided into the protruding pivot surface in described outside in the forward part of extending between the described front edge of described external reinforcing rib and described pivot cylinder and the rear section of extending between the described rear edge of described external reinforcing rib and described pivot cylinder.
10. vane type chain tensioning device according to claim 1, wherein, described support comprises support block, and described support block is connected to described main wall and stretches out from described main wall, and wherein said slope is provided by the surface of support block.
11. vane type chain tensioning device according to claim 10, wherein, described pivot bag is formed in described support block.
12. vane type chain tensioning device according to claim 1, wherein,
Described support comprises from the outer wall of the outer end horizontal expansion on slope, makes described support comprise passage between described main wall, described slope and described outside; And
The described free end of described shoe shape part is arranged in described passage.
13. a vane type chain tensioning device comprises:
Support comprises slope and pivot bag, and described pivot bag comprises recessed pivot surface;
Blade assembly may be operably coupled to described support, and described blade assembly comprises polymer shoe-shaped part, and this shoe shape part comprises first end, the second end and the central body of extending between first end and the second end;
Described blade assembly also comprises metal spring, and described metal spring comprises the first end of the described first end that is connected to described polymer shoe-shaped part and is connected to the second end of described second end of described polymer shoe-shaped part;
The described first end of described shoe shape part comprises the pivot cylinder, described pivot cylinder comprises protruding pivot surface, described pivot cylinder engages with described pivot bag, the described recessed pivot surface that makes the described protruding pivot surface of described pivot cylinder and described pivot bag is adjacency slidably, thereby allows described pivot cylinder to come and go angular motion in described pivot bag;
Described second end of described shoe shape part is supported on described slope, is used for coming and going translational motion on described slope;
Wherein, the described recessed pivot surface of described pivot bag comprises the zone that extends beyond 180 degree around the outer dia of the protruding pivot surface of described pivot cylinder, thereby catches described pivot cylinder in described pivot bag.
14. a chain tensioning device equipment comprises:
Support comprises: (i) pivot bag comprises the recessed pivot surface that is limited by the cylindrical arc surface section of extending around the central shaft circumference; And (ii) support the slope;
Blade assembly, be fixed to support, described blade assembly comprises shoe shape part and is connected to the spring of shoe shape part, described shoe shape part comprises pivot pin end, described pivot pin end comprises protruding pivot surface, and described pivot pin end engages with the pivot bag, makes the recessed pivot surface adjacency of protruding pivot surface and pivot bag, described shoe shape part comprises free end, and there are the gap in itself and pivot pin end and are supported on described support slope.
15. tension device equipment according to claim 14, wherein, the part of described pivot bag extends beyond 180 degree around described protruding pivot surface, but around the central shaft angular motion, described pivot bag prevents that the pivot pin end of shoe shape part is in the motion in a lateral direction of central shaft to the described pivot pin end that makes described shoe shape part simultaneously with respect to described pivot bag.
16. chain tensioning device equipment according to claim 15, wherein, the described free end of described shoe shape part optionally moves to the mounting point, in described mounting point, described free end and described slope have the gap, and wherein when the described free end of described shoe shape part is positioned at described mounting point, but the described pivot pin end of described shoe shape part is along the axial motion in described bag of described central shaft.
17. a method that is used for assembling chain tensioning device equipment, described method comprises:
By along the central shaft of pivot pin end, the pivot cylinder of tension device blade assembly axially being slipped into the pivot bag, make the outer pivot surface of pivot cylinder and the interior pivot surface of pivot bag slide over each other in abutting connection with and arrange around described spigot shaft coaxle, and operationally the tension device blade assembly is connected to support, wherein, the outer pivot surface of described pivot cylinder comprises that dome cylindricality segmental arc is surperficial, and the interior pivot surface of described pivot bag comprises that fluted column shape segmental arc is surperficial;
Move to the support ramp portion of described support with the free end with the tension device blade assembly around the described tension device blade assembly of described central shaft pivotable and contact.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US37830610P | 2010-08-30 | 2010-08-30 | |
| US61/378,306 | 2010-08-30 | ||
| PCT/US2011/049520 WO2012030702A1 (en) | 2010-08-30 | 2011-08-29 | Blade tensioner and bracket for blade tensioner including pocket pivot feature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103119330A true CN103119330A (en) | 2013-05-22 |
| CN103119330B CN103119330B (en) | 2016-09-07 |
Family
ID=44543894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180041815.9A Expired - Fee Related CN103119330B (en) | 2010-08-30 | 2011-08-29 | Blade tensioner and the support for blade tensioner including bag pivot feature |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8672785B2 (en) |
| EP (1) | EP2612054B1 (en) |
| JP (1) | JP5813115B2 (en) |
| CN (1) | CN103119330B (en) |
| WO (1) | WO2012030702A1 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014063228A1 (en) | 2012-10-22 | 2014-05-01 | Litens Automotive Partnership | Tensioner with increased damping |
| JP5997022B2 (en) * | 2012-11-29 | 2016-09-21 | 株式会社椿本チエイン | Chain guide |
| WO2014089575A1 (en) * | 2012-12-09 | 2014-06-12 | Cloyes Gear And Products, Inc. | Chain tensioner |
| JP5848277B2 (en) * | 2013-03-12 | 2016-01-27 | 株式会社椿本チエイン | Chain guide |
| JP5952225B2 (en) * | 2013-06-26 | 2016-07-13 | 株式会社椿本チエイン | Chain tensioner |
| DE112014004168T5 (en) * | 2013-09-11 | 2016-06-16 | Litens Automotive Partnership | CLAMPING DEVICE WITH INCREASED CUSHIONING AND ARM-ON-BASE CUP CONFIGURATION |
| JP2018507996A (en) * | 2015-03-09 | 2018-03-22 | クロイズ ギア アンド プロダクツ インコーポレイテッド | Chain tensioner plastic blade with improved structural rigidity on the reaction surface of the spring end of the blade |
| DE102015011318A1 (en) * | 2015-08-28 | 2017-03-02 | Iwis Motorsysteme Gmbh & Co. Kg | Chain drive with combination rail |
| JP6408974B2 (en) * | 2015-10-21 | 2018-10-17 | 株式会社椿本チエイン | Chain guide |
| US10487921B2 (en) * | 2016-12-21 | 2019-11-26 | Harley-Davidson Motor Company Group, LLC | Engine with inboard cam drive tensioner |
| JP6906840B2 (en) * | 2017-04-07 | 2021-07-21 | 株式会社椿本チエイン | Chain guide mechanism |
| JP7177343B2 (en) * | 2018-10-16 | 2022-11-24 | 株式会社椿本チエイン | chain tensioner |
| JP2022109518A (en) * | 2021-01-15 | 2022-07-28 | 株式会社椿本チエイン | Chain guide mechanism |
| US11815180B2 (en) * | 2021-08-24 | 2023-11-14 | Schaeffler Technologies AG & Co. KG | Tensioner with stamped pivot pin |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3358522A (en) * | 1965-08-16 | 1967-12-19 | Morse Chain Co | Cam chain tensioner |
| US6238311B1 (en) * | 1999-10-27 | 2001-05-29 | Borgwarner Inc. | Blade tensioner with retaining pin and bracket |
| CN1443955A (en) * | 2002-02-26 | 2003-09-24 | 博格沃纳.莫尔斯Tec日本株式会社 | Vane type tensioning device |
| EP1655510A2 (en) * | 2004-11-08 | 2006-05-10 | BorgWarner Inc. | Tensioning device |
| CN101208540A (en) * | 2005-06-28 | 2008-06-25 | 博格华纳公司 | Mechanical chain tensioner with compliant blade spring |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4155342A (en) * | 1977-11-02 | 1979-05-22 | Traweek Lowell E | Lasso gun |
| US5055088A (en) * | 1990-06-08 | 1991-10-08 | Borg-Warner Automotive, Inc. | Spring blade chain tensioner |
| US5425680A (en) | 1994-07-19 | 1995-06-20 | Cloyes Gear & Products, Inc. | Snap-fit chain tensioner apparatus and method |
| US5730674A (en) * | 1996-02-16 | 1998-03-24 | Ott; Vern D. | Primary drive chain tension adjuster |
| DE19717409A1 (en) | 1997-04-25 | 1998-10-29 | Schaeffler Waelzlager Ohg | Chain tensioner |
| JP2002536609A (en) | 1999-02-10 | 2002-10-29 | クロイズ ギア アンド プロダクツ インコーポレイテッド | Chain tensioner device for use in confined spaces |
| JP2000230611A (en) | 1999-02-15 | 2000-08-22 | Borg Warner Automotive Kk | Blade tensioner |
| US6322469B1 (en) * | 2000-04-21 | 2001-11-27 | Borgwarner Inc. | Dual arm chain tensioner for contacting multiple chain strands |
| US7537533B2 (en) * | 2003-10-15 | 2009-05-26 | Borgwarner Inc. | Chain tensioning device linking two strands of a chain drive |
| CN101415968B (en) * | 2006-04-11 | 2013-12-18 | 博格华纳公司 | Series spring blade tensioner |
| US7806034B1 (en) * | 2010-01-20 | 2010-10-05 | Lee Richard J | Safety prime feeding device |
| JP5813113B2 (en) * | 2010-08-09 | 2015-11-17 | クロイズ ギア アンド プロダクツインコーポレイテッド | Blade tensioner with spring retaining mechanism |
-
2011
- 2011-08-29 CN CN201180041815.9A patent/CN103119330B/en not_active Expired - Fee Related
- 2011-08-29 US US13/220,021 patent/US8672785B2/en not_active Expired - Fee Related
- 2011-08-29 EP EP11751779.7A patent/EP2612054B1/en not_active Not-in-force
- 2011-08-29 WO PCT/US2011/049520 patent/WO2012030702A1/en active Application Filing
- 2011-08-29 JP JP2013527158A patent/JP5813115B2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3358522A (en) * | 1965-08-16 | 1967-12-19 | Morse Chain Co | Cam chain tensioner |
| US6238311B1 (en) * | 1999-10-27 | 2001-05-29 | Borgwarner Inc. | Blade tensioner with retaining pin and bracket |
| CN1443955A (en) * | 2002-02-26 | 2003-09-24 | 博格沃纳.莫尔斯Tec日本株式会社 | Vane type tensioning device |
| EP1655510A2 (en) * | 2004-11-08 | 2006-05-10 | BorgWarner Inc. | Tensioning device |
| CN101208540A (en) * | 2005-06-28 | 2008-06-25 | 博格华纳公司 | Mechanical chain tensioner with compliant blade spring |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5813115B2 (en) | 2015-11-17 |
| WO2012030702A1 (en) | 2012-03-08 |
| EP2612054B1 (en) | 2016-04-20 |
| US8672785B2 (en) | 2014-03-18 |
| CN103119330B (en) | 2016-09-07 |
| EP2612054A1 (en) | 2013-07-10 |
| US20120052997A1 (en) | 2012-03-01 |
| JP2013538996A (en) | 2013-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103119330A (en) | Blade tensioner and bracket for blade tensioner including pocket pivot feature | |
| EP1555144B1 (en) | Axial rolling bearing for a suspension | |
| KR100238507B1 (en) | Tensioner for traction | |
| EP1561639B1 (en) | Headlamp aiming device | |
| CN101852279B (en) | Belt mounting jig and use the belt mounting method of this fixture | |
| US8523720B2 (en) | Chain tensioner | |
| US20040092348A1 (en) | Tensioner | |
| CN104454276A (en) | Fastening assembly for fuel rail of combustion engine | |
| KR102279504B1 (en) | Belt tensioner | |
| CN105593155B (en) | Escalator or moving sidewalk | |
| US20100292037A1 (en) | Guide or tensioning rail in a traction drive | |
| US7458909B2 (en) | Tensioner | |
| US20100022338A1 (en) | Pivot type tensioner for timing chain systems | |
| CN101529121B (en) | Tensioning rail for a chain drive with a bridging guide channel section as a pressing region | |
| CN102975775B (en) | Car body | |
| DE102010019066A1 (en) | tensioner | |
| EP2381122A1 (en) | Automatic shoe clearance adjustment apparatus | |
| CN102261443B (en) | Tensioner | |
| US20090269127A1 (en) | Lever mounting arrangement comprising an injected sliding bearing | |
| CN101886659B (en) | Joint connector | |
| CN111663875A (en) | Vehicle front cover assembly and vehicle | |
| KR101874399B1 (en) | Push-rod guide and push-rod guide cover of brake chamber for vehicle | |
| FR3038028A1 (en) | TENDERING ROLLER DEVICE | |
| EP2514996A1 (en) | Hydraulic auto-tensioner | |
| CN107054551B (en) | Bicycle front derailleur |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20180829 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |